<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<input type="text" placeholder="请输入1-100的数字">
<input type="button" value="猜一猜" onclick="f()">

<div></div>
<script>
    let x = parseInt(Math.random()*(100))+1;
    let count = 0;
    function f(){
        count++;
        let i = document.querySelector("input");
        let d = document.querySelector("div");
        if (i.value<x){
           d.innerText="猜小了";
        }
        else if (i.value>x){
            d.innerText="猜大了";
        }
        else if (i.value==x){
            d.innerText="猜对了,一共猜了"+count+"次";
        }else {
            d.innerText="cs";
        }
    }

</script>
</body>
</html>